Corona occurs between two transmission wires when they (a) are closely-spaced (b) are widely-spaced (c) have high potential difference (d) carry d.c. power
2 5711Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
1505what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth
1387Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings
2088How many battery required for an 3kva online ups with 3 hrs back up with usage of 3 fans,3tube lights
1 2587sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason
1482Post New Electrical Engineering Questions
number of I/O devices in siemense plc
What is electrical cable termination
thyristor controlled APFC panel design parameter?
What is meant by full pitched winding?
What is Plank's Law?
can we use NPT glands in LT panel
What are the disadvantages of thermal power plant?
how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer
how to operate and maintenance of 1500 kva diesel generator set
Why is a plain induction motor unsuitable for wide speed control?
what is the maintaining Cf in UPS.
Incoming line 11kv And transformer capacity is 2500kva. Consumption load is 1300A. Then fuse capacity is 11kv line.
Why do we perform an open-circuit test and short-circuit test on the transformer?
how to select automotive wire by mathematical equation with given current, vlotage and resistance
What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?